| #include <unistd.h> |
| #include <signal.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| |
| int main(void) |
| { |
| int i; |
| |
| for (i = 0; i < 999; i++) { |
| int status; |
| int fds[2]; |
| pid_t pid; |
| |
| status = pipe(fds); |
| if (status < 0) { |
| perror("pipe"); |
| break; |
| } |
| |
| pid = fork(); |
| switch (pid) { |
| case -1: |
| perror("fork"); |
| exit(EXIT_FAILURE); |
| |
| case 0: /* child */ |
| do status = write(fds[1], "!", 1); while (status > 0); |
| perror("write"); |
| exit(EXIT_FAILURE); |
| |
| default: /* parent */ |
| status = kill(pid, SIGKILL); |
| if (status < 0) { |
| perror("kill"); |
| exit(EXIT_FAILURE); |
| } |
| } |
| } |
| |
| exit(EXIT_SUCCESS); |
| } |
